u16vector_xor    5940 ext/uvector/uvector.c     u16vector_xor("u16vector-xor", d, SCM_OBJ(s0), s1);
u16vector_xor    5946 ext/uvector/uvector.c     u16vector_xor("u16vector-xor!", SCM_OBJ(s0), SCM_OBJ(s0), s1);